Antigonon
1646
1254 observations11 genera
Brunnichia
26
20 observations
Coccoloba
2606
1997 observations
Eriogonum
42
29 observations
Fagopyrum
6646
5367 observations
Fallopia
4233
2937 observations
Persicaria
24477
18269 observations
Polygonum
6155
4694 observations
Reynoutria
14971
11850 observations
Rheum
656
537 observations
Rumex
44683
34316 observations